X related ports not finding version strings and hanging

[Warren Block]

On Sun, 6 Oct 2013, Kevin Oberman wrote:

> As usual with such upgrades, pkg_libchk is your friend. Assuming you have
> updated pixman:
> portmaster graphics/libGL graphics/dri
> pkg_libchk -o | grep pixman | cut -d: -f1 | sort | uniq > pixman-files.txt
> portmaster =D `cat pixman-files.txt`
> portmaster -aD
> portmaster -y -clean-distfiles

pkg_libchk -q > /tmp/to-be-rebuilt.txt
portmaster `cat /tmp/to-be-rebuilt.txt`

worked for me, although I did it after following the pixman instructions 
in /usr/ports/UPDATING.